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73 Magazine (December 1977)


Published December 1977
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73 Magazine December 1977 (#207)

Inside Ten-Tec - QRP innovators ...... K4MDK 34
The History of Ham Radio - part V ...... W9CI 38
Try BCB DX! - when you're tired of twenty ...... WB2BJH 42
Build An Engine Analyzer - use your scope! ...... WA6THG/KH6 46
More Repeater Control Devices - control unit/audio interface ...... W7JSW 50
How Do You Use ICs? - part VIII ...... WA2SUT/NNN0ZVB 56
Finally! A Practical Discriminator! - metering system, that is ...... K4GOK 62
A Kilowatt Alternative - try a gain antenna ...... WB0KTH/4 66
All About Transceivers - Novices, take note! ...... WB5ASA 68
German Amateur Procedures - and repeater information ...... W8CM/5 72
The DA4FB Story - American repeater in Germany ...... WB4EWX/DA1KD 78
Decode Morse - with an 8080 ...... WB9KPT 92
Futureshot - Just around the corner ...... K9KIC 98
Try A Micro Contest Logger - the 6800 does it all ...... KH6GMP 102
Computerized Global Calculations - finding the best way to Pago Pago ...... VE3EKR 106
Micro Meets JANET - meteor scatter, anyone? ...... W5HK/9, WB9WXM 108
Run, Sheila, Run! - real-life radio control ...... WB0IFF 114
CB to 10 - part VI: antenna suggestions ...... K5UKH 120
CB to 10 - part VII: convert a TRC-11 ...... WB8CLF 122
Battery Backup for Digital Clocks - don't miss a second ...... WA2EJT 123
Roll Your Own QSL Cards - originality for rare ones! ...... G3WDI 130
Glide On Six - radio control primer ...... WB3BQQ 134
More IC-22S - add a programming switch ...... K0HPF 138
Amplitude vs. Frequency - poor man's spectrum analyzer ...... Staff 140
How About An Auto CQ? - generate some 10m activity! ...... K4TSY 142
SSB For the "Frog" - tame the croak ...... W5JJ 144
Beat the Books - study hall special ...... WB9YKR 145
Clocking Those Clock Kits - check out the MK-03! ...... W6SWZ 148
Digital Signal Source - TTL signals for counters, micros ...... K7HKL 150
Regenerated CW - CW: as you like it ...... Staff 152
High-Band Your KDK - monitor the other half! ...... W2PMX 177
The Rescue - rest-life drama ...... WA6LJL 178
Welding Rod Special Antenna - for seamless contacts ...... WA5TSJ 179
Tanks A Lot! - inductor calculation program ...... WA9GUK 182
Build the EI Sapo Tester - for hams with spare time ...... Staff 184
Finally! A Simple PROM Burner! - for the 8223 and 82S23 ...... W7JSW 186
Try A Topical CQ - for special interest groups ...... K4GRT 188
Call Letter Gouger - adds class to any shack ...... WB6JYK 189
Adjustable Bench Supply - would you believe 1.2-37 volts? ...... Staff 192
Test Instrument Saver - an old phone is required ...... Miller 193
Photoelectric Bench Accessory - when you need an extra "eye" ...... W3KBM 196
Inside the SR-52 - calculator doubles as micro ...... WA6THG 198
Boost Your TR22! - with a mini rock crusher ...... WA2INM 200
QRM on the Moon? - yep, on all bands ...... W4NVK 204
Filcher Foiler Car Alarm - car door operated ...... WB6THJ 206
Quick Deviation Meter - for the IC-22A ...... WA1UUK 207
Build a Noise-free Power Supply - avoid spikes with sine waves ...... K4DHC 208
Surplus Goodies - are they really for you? ...... Villastrigo 210
Try A New Mode! - don't let boredom strike ...... N4KC 214
Build A Useful HF Receiver - Novice special ...... Staff 216
Wake Up A Dead Repeater! - with these new Q signals ...... K9AZG 218

Index courtesy of http://www.qsl.net/kb9mwr/files/ham/73.html.


Year 1977
Language English
Collection 73-magazine; magazine_rack; additional_collections


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